Set Up TLS on a Grandstream UCM Device Using a Public SSL Certificate

Mark Berry September 27, 2016

I wanted to get TLS connections working between remote Grandstream phones connected over the Internet to a Grandstream UCM6102 PBX. This location already has an SSL certificate for its web site issued by a public Certification Authority. Here’s how to set up TLS with that kind of certificate.

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PBX in a Flash as a Virtual Machine, Take 2: Hyper-V

Mark Berry February 16, 2010

Back in November 2008, I blogged  about Setting Up PBX in a Flash, Part 1: Configuring a Virtual Machine. That article discussed running PBX in a Flash (PiaF) under Microsoft Virtual PC or Virtual Server 2005. Within a couple weeks, I abandoned the virtual machine approach and published Moving PBX in a Flash from a Virtual to a Physical Machine.

Recently I’ve been testing Microsoft’s free bare-metal hypervisor, Microsoft Hyper-V Server 2008 R2. Especially now that Hyper-V supports Red Hat Enterprise Linux, could Hyper-V be the answer to virtualizing PiaF on a Microsoft platform?

Let’s try it and see what happens.

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Setting Up PBX in a Flash, Part 4: Configuring a Linksys SPA3102

Mark Berry November 6, 2008

I’ve just posted a series of articles on selecting a VoIP PBX and setting it up under Microsoft Virtual Server. To read the series from the beginning, see Getting Into VoIP.

Setting up an Analog Terminal Adapter (ATA) for a VoIP system is normally something you do while configuring the PBX. However, since it is configured as a separate device using its own web interface, it seemed to warrant its own blog entry.

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